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JBoss Fuse - Easy Load Balancing Web Service with JBoss Fuse

There are few ways to do load balance with web Service, using the Http Gateway is probably the easiest way to do the load balance in Fuse,

First we deploy our restful webservice bundle to 2 containers in Fuse,











by doing so, we have 2 container running the web service on 2 different container with different IP:Port combination.


But, inside your application container, make sure you expose your web service to the fabric. Please see the tips and trick post I post before to see how it is done.

The reason we are doing this, is to register our web service, in this case a restful webservice, is to let fabric know there is a registered service, and know where they are.

Next, we are going to add a http gateway to a container, it will handle all the request dispatching, for load balance, this http gateway will find all the registered service under /servlet and /webapp. Also open up a port for client to connect. 

Create a new container, and add Gateway/http profile to it. 









By default, the http gateway service will provide in port 9000, you can alway change it by changing the port properties inside io.fabric8.gateway.http.properties of Gateway/http profile.


And the default load balance behavior is round-robin, but there are 3 kinds of option you can change to,

  • round-robin
  • random 
  • sticky

and change it by configuring the "FABRIC8HTTPGATEWAY_SERVICE_LOAD_BALANCER" properties inside io.fabric8.gateway.http.properties of Gateway/http profile.

And that's it! Can't believe how easy it was!

So to see it running,
here are both of my services, through the API page, you can see they are both running on different container,






With the http gateway, now I can access the restful service through the gateway.



Thanks, Let me know you feedback.

Comments

游宗霖 said…
How can we make http gateway itself high availability? In our architecture we use two haproxy and keepalived and one VIP which is bind by keepalived service. So our client need only to call one ip. Is the same architecture fit for http gateway?
I believe you are looking for something like this: http://wei-meilin.blogspot.com.br/2014/09/jboss-fuse-how-to-setup-cluster-of.html

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